Prior to Deep Space Nine, Iverson worked as makeup artists and hair stylist on the action drama Harley Davidson and the Marlboro Man (1991, with Perri Sorel), the television series Eerie, Indiana (1991-1992, with Camille Calvet, Laura Connolly, and R. Christopher Biggs) and The Edge (1992-1993), the science fiction film Doorways (1993, with Camille Calvet and Laura Connolly), the drama Lake Consequence (1993), and the thriller Almost Dead (1994).

After Deep Space Nine wrapped, Iverson worked as makeup artist on the fantasy film How the Grinch Stole Christmas (2000), Tim Burton's science fiction remake Planet of the Apes (2001, as makeup artist for Michael Clarke Duncan), the family film The Cat in the Hat (2003), the science ficiton film Serenity (2005, with Camille Calvet, Mark Garbarino, Christopher Allen Nelson, and Ron Pipes), and the television series CSI: Miami (2003), The Inside, Six Feet Under (2005), The Shield, and CSI: New York (2008).